# 切⽚ 选择你在本章编写的⼀个程序，在末尾添加⼏⾏代
# 码，以完成如下任务。
# 打印消息“The first three items in the list are:”，再使⽤切⽚来打印列
# 表的前三个元素。
# 打印消息“Three items from the middle of the list are:”，再使⽤切⽚
# 来打印列表中间的三个元素。
# 打印消息“The last three items in the list are:”，再使⽤切⽚来打印列
# 表末尾的三个元素。
nums = [i for i in range(10)]
print('The first three items in the list are:')
print(nums[:3])
print('Three items from the middle of the list are:')
print(nums[3:6])
print('The last three items in the list are:')
print(nums[7:])